From f6e01e8d4098eccb9234368a576342cb781265eb Mon Sep 17 00:00:00 2001
From: Yuki Okushi <huyuumi.dev@gmail.com>
Date: Mon, 14 Oct 2019 10:47:39 +0900
Subject: [PATCH] Add test for issue-48638

---
 src/test/ui/wf/issue-48638.rs | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 src/test/ui/wf/issue-48638.rs

diff --git a/src/test/ui/wf/issue-48638.rs b/src/test/ui/wf/issue-48638.rs
new file mode 100644
index 000000000000..f07843103321
--- /dev/null
+++ b/src/test/ui/wf/issue-48638.rs
@@ -0,0 +1,21 @@
+// check-pass
+
+pub trait D {}
+pub struct DT;
+impl D for DT {}
+
+pub trait A<R: D>: Sized {
+    type AS;
+}
+
+pub struct As<R: D>(R);
+
+pub struct AT;
+impl<R: D> A<R> for AT {
+    type AS = As<R>;
+}
+
+#[repr(packed)]
+struct S(<AT as A<DT>>::AS);
+
+fn main() {}